views.py 文件源码

def _extract_date(self):
        """
        Extract date from request.

        In detail route extract it from pk and it list
        from query params.
        """
        pk = self.request.parser_context['kwargs'].get('pk')

        # detail case
        if pk is not None:
            try:
                return datetime.datetime.strptime(
                    pk.split('_')[1], '%Y-%m-%d'
                )

            except (ValueError, TypeError, IndexError):
                raise exceptions.NotFound()

        # list case
        query_params = self.request.query_params
        try:
            return datetime.datetime.strptime(
                query_params.get('date'), '%Y-%m-%d'
            ).date()
        except ValueError:
            raise exceptions.ParseError(_('Date is invalid'))
        except TypeError:
            if query_params.get('last_reported_date', '0') == '0':
                raise exceptions.ParseError(_('Date filter needs to be set'))

            return None